Data Management and Manipulation
Unit of Treatment
A policy may be assigned to a state or hospital even when outcomes are recorded for individuals.
Page 1 of 7 · Big Picture
The big picture: Unit of Treatment
At what level is a policy or intervention assigned?
Why a policy analyst should care
A policy assigned to hospitals or states does not create independent person-level treatment; the assignment level shapes both the comparison and its uncertainty.
Follow the idea from the opening question to a practical decision. These are the conceptual moves this module will develop:
1 Question At what level is treatment assigned?
2 Explore Policy assignment may be state, hospital, or person
3 Formalize The treatment contrast follows assignment
4 Transfer Map treatment to the data
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